SG6521 PC Power Supply Supervisors

SG6521 PC Power Supply Supervisors

The SG6521 is designed to provide the supply voltage, current supervisor, remote on/off (PSON), power good (PGO) indicator, and fault protection (FPO) functions for switching power systems. For supervisory functions, it provides the over-voltage protection (OVP) for 3.3V, 5V, and two 12V; overcurren.

Features

ƒ Two 12V Sense Input Pins: VS12 and VS12B ƒ Over-Voltage Protection (OVP) for 3.3V, 5V, and two 12V ƒ Over-Current Protection (OCP) for 3.3V, 5V, and two 12V ƒ Under-Voltage Protection (UVP) for 3.3V, 5V, and two 12V ƒ Open-Drain Output for PGO and FPO Pins ƒ 300ms Power-Good Delay ƒ 2.8ms PSON Control to FPO Turn-off Delay ƒ 48ms PSON Control Delay ƒ No Lock-up During the Fast AC Power On/Off ƒ Wide Supply Voltage Range: 4V to 15V ƒ Over-Temperature Protection (OTP) ƒ Additional Protection Input (Pext) Applications ƒ Switch-Mode Power Supplies with Active PFC ƒ Servo System Power Supplies ƒ .